How To Install ruby-validates-hostname on Ubuntu 18.04
Introduction
In this tutorial we learn how to install ruby-validates-hostname on Ubuntu 18.04.
What is ruby-validates-hostname
ruby-validates-hostname is:
This package provides the gem validates_hostname. This gem is basically an extension to ActiveRecord::Base for validating hostnames. The gem can be used with ActiveRecord objects to check whether a provided hostname is valid or not.
There are three methods to install ruby-validates-hostname on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install ruby-validates-hostname Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install ruby-validates-hostname using apt-get by running the following command:
sudo apt-get -y install ruby-validates-hostname
Install ruby-validates-hostname Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install ruby-validates-hostname using apt by running the following command:
sudo apt -y install ruby-validates-hostname
Install ruby-validates-hostname Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install ruby-validates-hostname using aptitude by running the following command:
sudo aptitude -y install ruby-validates-hostname
How To Uninstall ruby-validates-hostname on Ubuntu 18.04
To uninstall only the ruby-validates-hostname package we can use the following command:
sudo apt-get remove ruby-validates-hostname
Uninstall ruby-validates-hostname And Its Dependencies
To uninstall ruby-validates-hostname and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove ruby-validates-hostname
Remove ruby-validates-hostname Configurations and Data
To remove ruby-validates-hostname configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge ruby-validates-hostname
Remove ruby-validates-hostname configuration, data, and all of its dependencies
We can use the following command to remove ruby-validates-hostname configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge ruby-validates-hostname
References
Summary
In this tutorial we learn how to install ruby-validates-hostname package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
